A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Exploration of reward (Vekol) zinc deposit Pinal County, Arizona
Old property in southwestern Pinal County, 26 mi from Casa Grande; mining was begun in early 1880's and continued intermittently to about 1917; about 400,000 lb of copper was produced from northeastern part of property; this ore was mined out; Bureau's work was limited to zinc belt, 2,700 ft long, and drill holes were grouped in three areas where outcrops and underground workings indicated that commercial ore bodies might be found.
Exploration of reward (Vekol) zinc deposit Pinal County, Arizona
Old property in southwestern Pinal County, 26 mi from Casa Grande; mining was begun in early 1880's and continued intermittently to about 1917; about 400,000 lb of copper was produced from northeastern part of property; this ore was mined out; Bureau's work was limited to zinc belt, 2,700 ft long, and drill holes were grouped in three areas where outcrops and underground workings indicated that commercial ore bodies might be found.
Exploration of reward (Vekol) zinc deposit Pinal County, Arizona
U S Bur Mines -- Report Investigations
Denton, T.C. (author) / Haury, P.S. (author)
1946
42 pages
Supp Plates
Report
English
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Measurements of surface subsidence, San Manuel Mine, Pinal County, Ariz
| Engineering Index Backfile | 1963
| Engineering Index Backfile | 1957